/Engine/Source/Runtime/MessagingCommon/Public/MessageEndpoint.h
Immediately pa message to all subscribed recipients within the specified scope.
template<typename MessageType> void Publish ( MessageType * Message, const [TMap](API\Runtime\Core\Containers\TMap)< [FName](API\Runtime\Core\UObject\FName), [FString](API\Runtime\Core\Containers\FString) > Annotations, EMessageScope Scope )